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Filter Maintenance Alarm
Communication Address
1. To access the programming mode view the factory default settings, please press the buttons on the
controller faceplate in the following sequence.
If "O"s on the display screen are flashing alternately after the password entered, it means the
password is accepted. If no action is taken within one minute the system will go back to normal
operation mode displaying temperature.
NOTE: If entering the password fails the first time, please wait until the key icon
enter the password again. Press "Exit" when you need to go back to normal operation mode from the
controller programming mode and to save changes to the memory.
2. User Interface Password (Default set to +, -, Select, Exit)
Press +, -, Select, Exit to access the controller program settings. You will see three zeros toggling up
and down.
3. Cooling Start Temperature (Not Used ) Press "Select" to continue.
4. Heating Temperature Setting (Default set to 50°F)
Press "Select" to continue. When the
start temperature. This will be the "heating start" setting (optional). The heating system now will
start running and continue to operate until the temperature inside the equipment rises by 7 (4 ).
Press + or - to set the temperature you want. The temperature adjustment range is -22°F to 68°F
(-30°C to 20°C).
NOTE: Don't forget to review the high and low alarm temperature when the "Fan start temperature" and
"heating start temperature" are changed.
5. High Temperature Alarm Setting (Default set to 131°F)
Press "Select" to continue. When
temperature. This will be the setting for the high temperature alarm. The alarm will activate when
it reaches the temperature shown on the screen. It will stop when the temperature decreases 2°F
(1°C). Press + or - to change the alarm setting. Its setting range is the cooling start temperature
setting +7 to 140°F (cooling start temperature setting +4°C to 60°C).
6. Low Temperature Alarm Setting (Default set to 32°F)
Press "Select" to continue. When
temperature. This is the setting of the low temperature alarm. The alarm will activate at the
temperature shown on the screen. It will stop when the temperature on the screen increases 2°F
(1°C). Press + or - to change the alarm setting. Its setting range is -31°F to heating start
temperature setting -7
7. Temperature SPH Setting of Compressor (Not Used) Press "Select" to continue.
8. Enclosure Fan full speed temperature setting (Default set 104°F)
8-15-REV1
"+"
1
"-"
2
"Select"
3
"Exit"
4
+
(-35°C to heating start temperature setting -4°C).
0 day-disabled (Not Used)
1 (Not Used)
appears on the screen press + or - to change Heating
+
appears on the screen press + or - to change
+
appears on the screen press + or - to change
3
disappears and then
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